package com.doyens.common;


import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

@ControllerAdvice(annotations = {RestController.class,Controller.class})
@Slf4j
@ResponseBody
public class GlobalExceptionHandler {

    //标注拦截那个类型的异常
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());
        if (ex.getMessage().contains("Duplicate entry")){
            String msg = ex.getMessage().split(" ")[2] + "已存在";
            return R.error(msg);
        }
        return R.error("失败,未知错误...");
    }

    /**
     * 在全局异常处理类中处理自定义异常处理类MyException
     * @param me
     * @return
     */
    @ExceptionHandler(MyException.class)
    public R<String> exceptionHandler(MyException me){
        log.error(me.getMessage());
        //直接返回错误信息
        return R.error(me.getMessage());
    }
}
